This page is for ideas and resources to help you teach subtraction in a primary setting.
Some dice games including "Take 100" from this NSW Dice games page could be useful.
Here are web sites that are useful for teaching or practicing subtraction in a primary setting (with a focus on year 1 at the moment).
Oswego Speed Grid 1 - the simplest subtraction challenge here select two numbers to subtract from a grid, to match the given answer - you can set how many questions to answer in how many minutes
Here are web sites that are useful for teaching or practicing subtraction in a primary setting (with a focus on year 1 at the moment).